SID Monitor BandPass Filter
	Tuning Resistors (from Maxim 275 design notes)
	R2 = 2x10^9 / Frequency			Where:
	R4= R2 - 5000			Q = 100
	R3 = (Q) (2x10^9) (Rx)/ (F0*Ry)			Rx/Ry = 1/25 ( for 5k< R2,R3 < 4M)
	R1 = R3 / BP_gain			BP_gain = 1 (for R1=R3)
VLF Stations	ID	Freq KHz	R2	R4	R3	R1
Cutler, ME	NAA	24	83333	78333	333333	333333
Jim Creek,WA	NLK	24.8	80645	75645	322581	322581
Lualuelei,HI	NPM	21.4	93458	88458	373832	373832
La Moure, ND	NML	25.2	79365	74365	317460	317460
Aquada, Puerto Rico	NAU	40.75	49080	44080	196319	196319
South Pole	VLF	20	100000	95000	400000	400000
NW Cape	NWC	19.8	101010	96010	404040	404040
Changde	3SA	20.6	97087	92087	388350	388350
Datonge	3SB	10.6	188679	183679	754717	754717
Rhauderfehn	DHO	23.4	85470	80470	341880	341880
Rosnay	HWU	20.9	95694	90694	382775	382775
St. Assie	FTA	16.8	119048	114048	476190	476190
LeBlanc	HWV	21.75	91954	86954	367816	367816
Keflavik	NRK	37.5	53333	48333	213333	213333
Katabomman	VTX3	18.2	109890	104890	439560	439560
Tavolara	ICV	20.27	98668	93668	394672	394672
Sicily	NSC	45.9	43573	38573	174292	174292
Ebino	JJI	22.2	90090	85090	360360	360360
Kolsas	JXN	16.4	121951	116951	487805	487805
Arkhanghelsk	UGE	19.7	101523	96523	406091	406091
Batumi	UVA	14.6	136986	131986	547945	547945
Kaliningrad	UGKZ	30.3	66007	61007	264026	264026
Matotchkinchar	UFQE	18.1	110497	105497	441989	441989
Vladivostock	UIK	15	133333	128333	533333	533333
Bafa	TBB	26.7	74906	69906	299625	299625
Anthorn	GBZ	19.6	102041	97041	408163	408163
Anthorn	GQD	22.1	90498	85498	361991	361991
London	GYA	21.37	93589	88589	374357	374357